Maxim Integrated's MAX6381XR18D2+T Voltage Supervisor

The MAX6381XR18D2+T is a high-quality voltage supervisor from Maxim Integrated, designed to provide precise monitoring and control of power supplies in electronic systems. This compact and efficient device is a part of Maxim's family of microprocessor (μP) supervisory circuits that are specifically engineered to maintain system integrity by monitoring the power supply voltage levels in digital systems.

With a preset threshold voltage of 1.8V, the MAX6381XR18D2+T ensures reliable operation by monitoring the VCC power supply line. It provides a reset output during power-up, power-down, and brownout conditions. When the monitored voltage falls below the factory-set reset threshold, the reset output is asserted, which remains active until the voltage recovers and stabilizes above the threshold for a reset timeout period, ensuring the system has adequate time to return to a stable operation state.

This voltage supervisor comes in a small, surface-mountable SOT-323 package, which is ideal for space-constrained applications. It is available in a tape and reel format, denoted by the '+T' suffix, which facilitates automated manufacturing processes.

Key features of the MAX6381XR18D2+T include:

• Precision Voltage Monitoring: Factory-set threshold for 1.8V supply lines with high accuracy.
• Low Power Consumption: Designed for minimal power draw, it is suitable for battery-operated devices.
• Manual Reset Input: Allows for an external signal to initiate a system reset, providing additional system control.
• Reset Timeout: A programmable delay time after the voltage rises above the reset threshold ensures system stability.
• Robust Output: The reset output is guaranteed to be in the correct state for VCC down to 1V.
• Operating Temperature Range: Specified over the extended -40°C to +125°C temperature range, suitable for industrial applications.

The MAX6381XR18D2+T is an ideal solution for managing system resets in microprocessors, microcontrollers, and other digital systems that require precise voltage monitoring. Its small footprint, low power consumption, and high accuracy make it a valuable component for ensuring the reliability and stability of electronic products.